’30 Rock’
8:30 p.m., WMAQ-Ch. 5
Workaholic Liz (Tina Fey) must find a way to occupy her time during a short-term suspension from work. Jack (Alec Baldwin) asks Jenna (Jane Krakowski) to use her star power to create promotional buzz when the film studio has second thoughts about releasing her Janis Joplin biopic. Tracy Morgan and Jack McBrayer co-star.
‘Eureka’
8 p.m., SyFy
Allison brings in Dr. Tess Fontana to reopen Section Five; Dr. Drechmeyer is convinced poltergeists are responsible for moving objects.
‘CSI’
9 p.m., CBS
Catherine (Marg Helgenberger) discovers there may be a connection between Nick’s (George Eads) case of a deceased sky diver and a mysterious double murder. Charisma Carpenter (“Buffy the Vampire Slayer”) and Greg Germann (“Ally McBeal”) guest star.
‘Dave’
9 p.m., Lifetime
“The Prince and the Pauper” gets a populist spin in this 1993 political comedy about an ordinary businessman who fills in for the U.S. president when the commander in chief is incapacitated. Once in office, the double charms everybody — even the president’s wife. Kevin Kline plays the dual role.
‘Royal Pains’
10 p.m., USA
When Hank learns Tucker’s father has a substance-abuse problem, he suggests a visit to rehab, but Tucker’s father prefers a riskier method; Hank and Jill try to contact Boris, who has fled to New York.
‘Stripes’
10:30 p.m., AMC
Bill Murray backed up his initial movie success in “Meatballs” by playing a wry recruit in director Ivan Reitman’s (“Ghostbusters”) very funny 1981 military comedy. Harold Ramis portrays his best buddy, who decides to enlist with him, and Warren Oates is cast as their strict sergeant. John Candy also appears memorably as an enlistee who wants to be “a lean, mean fighting machine.”
‘Late Show With David Letterman’
11:35 p.m., CBS
Musician Paul McCartney; actor Bruce Willis presents the Top 10 list.
‘The Tonight Show With Conan O’Brien’
11:35 p.m., NBC
Actor Robin Williams; TV personality Piers Morgan; All Time Low performs.
